X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_util.c;h=64a1f6d63b3a8e00f33202ac5bd05cb7ad761661;hb=4aa7a2c849a9536febb2dc7773e06c12a69c5213;hp=fde4f85f10a132658b1fad6f1db561871f85cdfe;hpb=b64cd0df884e7901ff13def0272df74962035920;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_util.c b/src/xcb_util.c index fde4f85..64a1f6d 100644 --- a/src/xcb_util.c +++ b/src/xcb_util.c @@ -38,6 +38,7 @@ #ifdef _WIN32 #include "xcb_windefs.h" #else +#include #include #include #include @@ -258,13 +259,27 @@ static int _xcb_socket(int family, int type, int proto) } +static int _xcb_do_connect(int fd, const struct sockaddr* addr, int addrlen) { + int on = 1; + + if(fd < 0) + return -1; + + setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)); + setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)); + + return connect(fd, addr, addrlen); +} + static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port) { int fd = -1; +#if HAVE_GETADDRINFO struct addrinfo hints; char service[6]; /* "65535" with the trailing '\0' */ struct addrinfo *results, *addr; char *bracket; +#endif if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol) #ifdef AF_INET6 @@ -276,10 +291,8 @@ static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short if (*host == '\0') host = "localhost"; +#if HAVE_GETADDRINFO memset(&hints, 0, sizeof(hints)); -#ifdef AI_ADDRCONFIG - hints.ai_flags |= AI_ADDRCONFIG; -#endif #ifdef AI_NUMERICSERV hints.ai_flags |= AI_NUMERICSERV; #endif @@ -305,19 +318,42 @@ static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short for(addr = results; addr; addr = addr->ai_next) { fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); - if(fd >= 0) { - int on = 1; - setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)); - setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)); + if (_xcb_do_connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0) + break; + close(fd); + fd = -1; + } + freeaddrinfo(results); + return fd; +#else + { + struct hostent* _h; + struct sockaddr_in _s; + struct in_addr ** _c; + + if((_h = gethostbyname(host)) == NULL) + return -1; - if (connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0) + _c = (struct in_addr**)_h->h_addr_list; + fd = -1; + + while(*_c) { + _s.sin_family = AF_INET; + _s.sin_port = htons(port); + _s.sin_addr = *(*_c); + + fd = _xcb_socket(_s.sin_family, SOCK_STREAM, 0); + if(_xcb_do_connect(fd, (struct sockaddr*)&_s, sizeof(_s)) >= 0) break; + close(fd); fd = -1; + ++_c; } + + return fd; } - freeaddrinfo(results); - return fd; +#endif } #ifndef _WIN32 @@ -388,13 +424,13 @@ xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *displayname, int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp); if(!parsed) { - c = (xcb_connection_t *) &error_connection; + c = _xcb_conn_ret_error(XCB_CONN_CLOSED_PARSE_ERR); goto out; } else fd = _xcb_open(host, protocol, display); if(fd == -1) { - c = (xcb_connection_t *) &error_connection; + c = _xcb_conn_ret_error(XCB_CONN_ERROR); goto out; }